ATE262850T1 - Zahnärtzliches handstück mit scheibe zum stabilisieren des rollkugelgehäuses - Google Patents

Zahnärtzliches handstück mit scheibe zum stabilisieren des rollkugelgehäuses

Info

Publication number
ATE262850T1
ATE262850T1 AT98108274T AT98108274T ATE262850T1 AT E262850 T1 ATE262850 T1 AT E262850T1 AT 98108274 T AT98108274 T AT 98108274T AT 98108274 T AT98108274 T AT 98108274T AT E262850 T1 ATE262850 T1 AT E262850T1
Authority
AT
Austria
Prior art keywords
ball bearings
cage
lower ball
dental handpiece
rotor
Prior art date
Application number
AT98108274T
Other languages
English (en)
Inventor
Takasuke Nakanishi
Original Assignee
Nakanishi Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nakanishi Inc filed Critical Nakanishi Inc
Application granted granted Critical
Publication of ATE262850T1 publication Critical patent/ATE262850T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/18—Flexible shafts; Clutches or the like; Bearings or lubricating arrangements; Drives or transmissions
    • A61C1/181—Bearings or lubricating arrangements, e.g. air-cushion bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
    • F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/46—Gap sizes or clearances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/12—Small applications, e.g. miniature bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2316/00—Apparatus in health or amusement
    • F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
    • F16C2316/13—Dental machines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Rolling Contact Bearings (AREA)
AT98108274T 1997-06-09 1998-05-06 Zahnärtzliches handstück mit scheibe zum stabilisieren des rollkugelgehäuses ATE262850T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15092697A JP3152632B2 (ja) 1997-06-09 1997-06-09 歯科用ハンドピース

Publications (1)

Publication Number Publication Date
ATE262850T1 true ATE262850T1 (de) 2004-04-15

Family

ID=15507437

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98108274T ATE262850T1 (de) 1997-06-09 1998-05-06 Zahnärtzliches handstück mit scheibe zum stabilisieren des rollkugelgehäuses

Country Status (7)

Country Link
US (1) US5911579A (de)
EP (1) EP0884026B1 (de)
JP (1) JP3152632B2 (de)
KR (1) KR100278406B1 (de)
AT (1) ATE262850T1 (de)
DE (1) DE69822703T2 (de)
TW (1) TW359605B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060234186A1 (en) * 2000-09-14 2006-10-19 Novak Eugene J Bearing for dental handpiece
US20070059664A1 (en) * 2000-09-14 2007-03-15 Novak Eugene J Bearing for dental handpiece
US20020168612A1 (en) * 2000-09-14 2002-11-14 Novak Eugene J. Bearing for dental handpiece
WO2002049529A1 (en) * 2000-12-18 2002-06-27 Dentsply International Inc. Improved dental handpiece components
US20020124443A1 (en) * 2000-12-18 2002-09-12 Dentsply Research & Development Corp. Metal-to-metal connections
JP2002238922A (ja) * 2001-02-13 2002-08-27 Nakanishi:Kk 歯科用ハンドピース
US20070031786A1 (en) * 2002-02-25 2007-02-08 Heil Donald J Dental handpiece
EP2172165B1 (de) * 2002-02-27 2013-06-26 DENTSPLY International Inc. zahnärztliches Handstück mit verbesserter Schmierfetthalterung
US20070117064A1 (en) * 2002-02-27 2007-05-24 Novak Eugene J Dental handpiece with improved grease retention
US20060191336A1 (en) * 2002-03-28 2006-08-31 Dentsply Research & Development Corp. Method and apparatus for balancing the rotating elements of a dental handpiece
US20030209072A1 (en) * 2002-03-28 2003-11-13 Lu He Method and apparatus for balancing the rotating elements of a dental handpiece
KR100905752B1 (ko) * 2008-10-24 2009-07-01 두나미스덴탈 주식회사 치과용 핸드피스의 스프링캡 풀림방지 구조
KR100905753B1 (ko) * 2008-10-24 2009-07-01 두나미스덴탈 주식회사 버 빠짐방지 구조를 갖는 치과용 핸드피스
KR101081769B1 (ko) 2008-12-31 2011-11-09 동국대학교 산학협력단 소형 공압 의료 장치 및 그 어댑터
KR101068462B1 (ko) * 2010-02-10 2011-09-28 (주)덴토스 각도조절이 자유로운 치과용 수동핸드피스
DE102017209672A1 (de) * 2017-06-08 2018-12-13 Aktiebolaget Skf Turbolader insbesondere für eine Verbrennungsmaschine
JP6632648B2 (ja) * 2018-02-09 2020-01-22 株式会社ナカニシ 外科用手術システムおよびその外科用手術システムで用いられる外科用手術器
EP3656339B1 (de) * 2018-11-16 2021-07-21 DENTSPLY SIRONA Inc. Zahnärztliche turbine
JP2019217326A (ja) * 2019-08-29 2019-12-26 株式会社ナカニシ 外科用手術システムおよびその外科用手術システムで用いられる外科用手術器
KR102285324B1 (ko) 2019-09-04 2021-08-03 이정현 반려동물용 털 포집 밴드
KR102424704B1 (ko) 2020-04-14 2022-07-26 (주)금성다이아몬드 플렉시블 디스플레이 패널용 진공 흡착기
KR20250144143A (ko) 2024-03-26 2025-10-10 주식회사 선로드 반려동물 배변 처리장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499223A (en) * 1968-01-22 1970-03-10 Star Dental Mfg Co Dental handpiece in combination with collet wrench means
JPS53123596A (en) * 1977-04-01 1978-10-28 Morita Mfg Turbine blade for handpiece for dental surgery
DE2821560A1 (de) * 1978-05-17 1979-11-22 Kaltenbach & Voigt Pneumatischer lamellenmotor, insbesondere fuer zahnaerztliche zwecke
US4219330A (en) * 1978-09-20 1980-08-26 American Hospital Supply Corporation Dental handpiece and rotor cartridge replacement assembly therefor
US4318695A (en) * 1980-04-28 1982-03-09 Venture Technology, Inc. Handpiece
JPS59124508U (ja) * 1983-02-09 1984-08-22 株式会社中西歯科器械製作所 歯科用エア−タ−ビンハンドピ−スのカ−トリツヂ式頭部装置
JPH0613039B2 (ja) * 1987-07-22 1994-02-23 而至歯科工業株式会社 チヤツク無し歯科用ハンドピ−ス
JPH0736824B2 (ja) * 1992-07-27 1995-04-26 株式会社モリタ製作所 歯科用ハンドピースの軸受装置
JPH07121261B2 (ja) * 1993-05-20 1995-12-25 株式会社中西歯科器械製作所 歯科用ハンドピース
JPH08140993A (ja) * 1994-11-25 1996-06-04 Koyo Seiko Co Ltd 歯科用ハンドピース
JP3014379U (ja) * 1995-02-06 1995-08-08 株式会社中西歯科器械製作所 歯科用ハンドピースのカートリッジ
JP3522036B2 (ja) * 1995-02-20 2004-04-26 光洋精工株式会社 玉軸受用冠型保持器及びこれを用いた歯科用ハンドピース

Also Published As

Publication number Publication date
KR19990006518A (ko) 1999-01-25
JP3152632B2 (ja) 2001-04-03
DE69822703D1 (de) 2004-05-06
EP0884026B1 (de) 2004-03-31
US5911579A (en) 1999-06-15
TW359605B (en) 1999-06-01
DE69822703T2 (de) 2006-01-26
KR100278406B1 (ko) 2001-01-15
EP0884026A2 (de) 1998-12-16
EP0884026A3 (de) 2000-02-23
JPH10337293A (ja) 1998-12-22

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